I'm curious if anyone can figure out how this device works. It's not a PIR sensor - they sell that, but it's a separate device. This presence sensor is a uniquely identifiable dongle the person or dog wears, and the hub senses whether this dongle is within range (50-100 feet). What kind of technolog…

"smartthings" presence sensor

jremington April 15, 2014, 2:48pm 2

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